A skeptical attitude; doubt as to the truth of something. There was a lot of skepticism about the company's new product claims.
The theory that certain knowledge is impossible. Philosophical skepticism questions the possibility of certainty in knowledge.
Doubt or disbelief regarding religious doctrines or claims of the supernatural. Her skepticism toward miracles led her to question the preacher's anecdotes.
US spelling of ‘scepticism’. In British journals you may encounter the spelling ‘scepticism’, while American publications use ‘skepticism’.